3KGF:
reference: Synergistic allostery, a sophisticated regulatory network for the control of aromatic amino acid biosynthesis in Mycobacterium tuberculosis., Webby CJ, Jiao W, Hutton RD, Blackmore NJ, Baker HM, Baker EN, Jameson GB, Parker EJ, J Biol Chem. 2010 Oct 1;285(40):30567-76. Epub 2010 Jul 27. PMID: 20667835

This OCA Structure page
uses Jmol, developed by the Jmol Development Team (documentation).